United States, California, Lassen, Cooper Swamp located E of Silver Lake just E of the Caribou Wilderness, ca. 13 mi (air) N of Lake Almanor. T30N R07E S01 NW1/4
40.493611 -121.153333 +-402m. NAD83
T30N R07E S01 NW1/4; 40§ 29m 37s N; 121§ 9m 12s W
1932 meters
6340ft.
Red Fir Forest. Scattered plants in wet places along the edge of the swamp.